North Star 1572042 Owner's manual

Brand: North Star

Model: 1572042

Category: High-pressure cleaners

Type: Owner's manual

This manual is also suitable for

1572041

M1572041G.1

157

Owner’s Manual

Cold Water, Belt Drive Pressure Washer

(For Portable Outdoor Use only)

Instructions for Installation/Set-up, Operation, Maintenance, & Storage

This pressure washer produces cold water high pressure spray. Cleaning chemicals may be incorporated into the

spray if desired. The pressure pump for this equipment is powered by a gasoline internal combustion engine.

WARNING: SPECIAL HAZARDS

 CO Poisoning: Exhaust from engine contains carbon monoxide, a poisonous gas that can cause carbon monoxide

poisoning and possible death if inhaled. ONLY run pressure washer OUTDOORS and at least 20 feet from the home, away

from windows, vents and air intakes, to allow proper ventilation. If you start to feel sick, dizzy, or weak while using the

pressure washer, shut off the engine and get to fresh air RIGHT AWAY.

 Injection Injury: High-pressure spray can pierce skin and underlying tissues, leading to serious injury and possible

amputation. Such an injection injury can result in blood poisoning and/or severe tissue damage.

 Flying Debris: High-pressure spray can cause flying debris and possible surface damage.

 Electric shock: Operating equipment in wet conditions or near water can cause electric shock.

 Chemical Exposure: Cleaning chemical vapors or contact with skin may be hazardous.

 Fire/Explosion: Engine sparking can ignite fuel or other flammable liquids or vapors in the vicinity. Hot exhaust from engine

can ignite combustible materials.

 Burns: Pressure Washer pump and engine are hot surfaces that can cause burn injuries.

Detailed safety information about these hazards appears throughout this manual.

Equipment Protection Quick Facts

Inspect Upon Delivery: FIRST! Inspect for missing or damaged components. See “Initial Set-Up” section for where

to report missing or damaged parts.

Add Engine Oil: Engine is shipped without oil. See engine manual for instructions on capacity and viscosity

recommendations.

Replace Temporary Pump Oil Plug: Pump is shipped with oil but with temporary shipping plug. Check pump oil

level before starting and replace temporary shipping plug with permanent oil fill plug provided within plastic bag

containing this Owners’s Manual.

Water Flow Requirements: Make sure your supply water flow rate is 20% higher than the pressure washer's flow

rate (see "Operations", section for detail), and that your water is clean and particle free.

Chemical Spraying: Use only approved pressure washer chemicals designed for high-pressure use. Use chemical

adjustment knob to regulate cleaning power (on select units).

Storage: Do not allow water to freeze in the pump, hose, or spray gun(s). See “Storage” for more information.

Maintenance Schedule: Engine and pump require periodic inspection and servicing to keep pressure washer

functioning efficiently. See “Maintenance Schedule Summary” for frequency of servicing.

Any Questions, Comments, Problems, or Parts Orders

Call NorthStar Product Support 1-800-270-0810

ITEM NUMBER: 1572041, 1572042

SERIAL NUMBER: _____________

Table of Contents

Equipment Protection Quick Facts ........................................................................................................................................ 1

TABLE OF CONTENTS ................................................................................................................................................ 2

ABOUT YOUR PRESSURE WASHER ......................................................................................................................... 4

SPECIFICATIONS ........................................................................................................................................................ 5

COMPONENT IDENTIFICATION .................................................................................................................................. 6

SAFETY ........................................................................................................................................................................ 7

Hazard Signal Word Definitions ............................................................................................................................................ 7

SAFETY LABELING ..................................................................................................................................................... 8

Safety Decal Locations ......................................................................................................................................................... 8

Safety Decals ........................................................................................................................................................................ 9

INITIAL SET-UP .......................................................................................................................................................... 10

Step 1. Inspect & Unpack ...................................................................................................................................................... 10

Step 2. Assembly of Pressure Washer................................................................................................................................. 12

Install Pressure Washer Handle .......................................................................................................................................... 12

Step 3. Select Suitable Location ........................................................................................................................................... 12

Outdoor Use Only ............................................................................................................................................................... 13

Install Spark Arrestor (if Required) ...................................................................................................................................... 14

OPERATION ............................................................................................................................................................... 15

Follow Safety Rules for Operation ....................................................................................................................................... 15

Preparing for Operation ........................................................................................................................................................ 16

Check/Add Oil to Pump ....................................................................................................................................................... 16

Check/Add Engine Oil ......................................................................................................................................................... 16

Inspect Fuel System/Check for Leaks ................................................................................................................................. 17

Connect Hoses, Water Supply, and Spray Nozzle .............................................................................................................. 18

Prime the Water Supply ......................................................................................................................................................... 20

Set Up for Chemical Spray (if desired)................................................................................................................................. 20

Start-Up Procedures .............................................................................................................................................................. 21

Start the Engine to Power the Pump. .................................................................................................................................. 21

Apply Cleaning Chemical (If Desired) ................................................................................................................................. 21

Begin High Pressure Spray ................................................................................................................................................. 22

Shutdown ............................................................................................................................................................................... 23

STORAGE ................................................................................................................................................................... 24

Between-Use Storage ............................................................................................................................................................ 24

Prepare Pressure Washer for Freezing Conditions ............................................................................................................ 24

Prepare Engine for Long Term Storage ............................................................................................................................... 24

Prepare Pressure Washer for Storage ................................................................................................................................. 25

MAINTENANCE & REPAIR ........................................................................................................................................ 26

MAINTENANCE SCHEDULE SUMMARY .................................................................................................................. 26

DETAILED INSTRUCTIONS – MAINTENANCE & REPAIR ...................................................................................... 26

Follow Safety Rules ............................................................................................................................................................ 26

Keep Pressure Washer Clean ............................................................................................................................................. 26

Inspect Spray System ......................................................................................................................................................... 26

Clean Inlet Filter .................................................................................................................................................................. 27

Inspect Fuel System ............................................................................................................................................................ 27

Check Tire Pressure ........................................................................................................................................................... 28

Perform Engine Maintenance .............................................................................................................................................. 28

Change Pump Oil ................................................................................................................................................................ 28

Drive Belt Maintenance ....................................................................................................................................................... 28

TROUBLESHOOTING ................................................................................................................................................ 30

PARTS EXPLOSION- MODEL #1572041, 1572042- REV G.1 .................................................................................. 31

PARTS LIST- MODEL # 1572041, 1572042-REV G.1 ............................................................................................... 32

PUMP EXPLODED VIEW- NSB3540 (A1572041) ...................................................................................................... 33

PARTS LIST- PUMP MODEL# NSB3540 (A1572041) ............................................................................................... 34

PUMP EXPLODED VIEW- NSSHFB5030 (A1572042) ............................................................................................... 35

PARTS LIST-PUMP MODEL# NSSHFB5030 (A1572042) ......................................................................................... 36

LIMITED WARRANTY ................................................................................................................................................ 37

About Your Pressure Washer

Thank you for purchasing a NorthStar Pressure Washer!

It is designed for long life, dependability, and top

performance.

Intended Use. Produce a high-pressure water spray.

Incorporate cleaning chemicals into a low-pressure

water spray.

Note: Do not use for other purposes, as unforeseen

hazards or equipment damage may result.

Power Source. The pressure washer is powered by a

gasoline engine.

Supplies Required. Normal operation will require you

to supply:

 Pressure Washer pump oil

 Gasoline

 Engine oil

 Personal Protection Equipment

See “Specifications” section of this manual for more

detail.

Site Location. Intended for outdoor use only.

Personal Protection. Wear safety apparel during

operation, including safety glasses with side and top

protection. Ear protection is also recommended if

working near any operating engine. Other safety apparel

includes waterproof insulated gloves, and non-slip

protective footwear. Cleaning chemicals may require the

use of respiration mask; refer to chemical label for

further instruction.

Adult control only. Only trained adults should set up

and operate the pressure washer. Do not let children

operate.

Under The Influence. Never operate, or let anyone else

operate, the pressure washer while fatigued or under

the influence of alcohol, drugs, or medication.

Keep this manual for reference and review.

ATTENTION: Rental Companies and Private

Owners who loan this equipment to others!

All persons to whom you rent/loan this pressure washer

to must have access to and read this manual. Keep this

owner’s manual with the pressure washer at all times

and advise all persons who will operate the machine to

read it. You must also provide personal instruction on

how to safely set up and operate the pressure washer

and remain available to answer any questions a

renter/borrower might have. Owner’s Manuals are

available from NorthStar at 1-800-270-0810.

Specifications

MODEL

Model #

1572041

1572042

FLOW OUTPUT

PSI (bar)

4000 (276)

3000 (207)

GPM (l/Min)

3.5 (13.2)

5 (18.9)

Max Water Temp

140° F (60°C)

ENGINE

Engine

Honda GX390

Honda GX 390

Horsepower

390 cc

DIMENSIONS / COMPONENTS

Length

36″

Width

33″

Height

28.5″

Weight

243 lbs

249 lbs

Pump Model

NorthStar NSB3540

NorthStar SHFB5030

Pump Oil Capacity

14.08 oz

26.88 oz

SUPPLIES REQUIRED (not included)

Engine Oil

Refer to engine owner’s manual

Pump Oil

(shipped with oil, but

refills required)

Universal Tractor Transmission Oil

(part # COCP2101) or

Mobil 1 Synthetic Oil 15W50

Universal Tractor Transmission

Oil (part # COCP2101) or

Mobil 1 Synthetic Oil 15W50

Component Identification

1. Nozzle Holder: Portable device that will

clip on your belt. Stores Nozzles.

2. Nozzle: Change nozzles for different spray

patterns.

3. Handle: Designed for easy cart movement.

4. Gun Hook: Store gun on hook

5. Hose Hook: Store hose on hook.

6. Pump: Inspect for loose/broken parts prior

to each use.

7. Engine: The air-cooled engine powers the

pump.

8. Hose: Attach quick couplers to gun and

water outlet.

9. Spray Gun: Always use to hands for safe

operation.

10. Trigger: Actuate to allow pressurized water

to flow out of spray gun.

11. Pump Oil Fill: Add pump oil here. Replace

shipping plug with vented dipstick.

12. Sight Glass: Location to verify your pump

oil level.

13. Oil Drain Plug: Drain pump oil from here.

14. Pressure Adjustment (Unloader). Valve

that regulates pressure and directs flow into

bypass when trigger is closed.

15. Pump Outlet. Connect high pressure hose

here.

16. Pump Inlet. Attach garden hose here.

17. Engine Stop/Start Switch. Always locate

this switch and be familiar with its location

before operating the pressure washer.

See “Parts Explosion” for more details

Safety

Hazard Signal Word Definitions

DANGER

WARNING

CAUTION

NOTICE

This is the safety alert symbol. It is used to alert you to

potential personal injury hazards. Obey all safety

messages that follow this symbol to avoid possible injury

or death.

DANGER (red) indicates a hazardous situation, which if

not avoided, will result in death or serious injury.

WARNING (orange) indicates a hazardous situation,

which if not avoided, could result in death or serious

injury.

CAUTION (yellow), used with the safety alert symbol,

indicates a hazardous situation, which if not avoided,

could result in minor or moderate injury.

CAUTION (yellow), without the safety alert symbol, is

used to address practices not related to personal injury.

NOTICE is used to address practices not related to

personal injury.

Safety Labeling

Safety Decal Locations

WARNING:

ALWAYS make sure safety labels are in place and in good condition. If a safety label is missing or not legible, order new labels

from NorthStar Product Support at 1-800-270-0810.

On-Product Warning Labels

Location

Part numbers

Description

786632

Rotating Machinery

789002

Warning

788937

Poisonous Gas Decal

788935

Fuel Fire Explosion

Safety Decals

To order replacement safety labels, call

NorthStar Product Support

at 1-800-270-0810.

Initial Set-Up

Step 1. Inspect & Unpack

Upon receiving your item check for missing or damaged parts.

See “Component Identification” section of this manual for a diagram of the pressure washer and its components.

 For missing or damaged components, please contact Product Support at 1-800-270-0810.

 If complete, fill out product serial number information. See “Limited Warranty” section of this manual.

Main Unit

Handle

Lance

Spray Gun

Hose

Hardware Bag

NOZZLE HOLDER

QTY 1

PART# 788696

NOZZLES

QTY 5

(Model# 1572041) PART# 38532

(Model# 1572042) PART# 788766

5/16" X 2" FLANGE BOLT

QTY 4

Part# 82018

5/16" WASHER

QTY 4

Part# 82021

5/16" FLANGE NUT

QTY 4

Part# 82019

VENTED DIPSTICK

QTY 1

CO3200005100

STRAINER

QTY 1

Part# 221222

BRAIDED CHEMICAL HOSE

QTY 3 FT

Part# 777165

Step 2. Assembly of Pressure Washer

Note: Remove contents from pallet and assembly can

occur at this time or in conjunction with Step 4

Install Pressure Washer Handle

1. Insert five nozzles into nozzle holder. Nozzle

holder can then be clipped into position on the

handle of the pressure washer.

2. Fasten Handle to Frame using:

 (4) 5/16” x 2” Flange Bolts (82018)

 (4) 5/16” Washers (82021)

 (4) 5/16” Flange Nuts (82019)

Note: Repeat for both sides of handle

Spray Gun Assembly

3. Attach the Lance to Spray Gun

 Tighten spin-on coupler hand tight.

Note: The o-rings make the seal so there is no need to

tighten with a wrench.

Connect High Pressure Hose

4. Connect one end of the chemical hose to the

chemical injector barb.

5. Press strainer onto the other end of the chemical

hose.

Step 3. Select Suitable Location

Moving your pressure washer around

 Use the handles to manually move the pressure

washer.

 Push the pressure washer in front of you has you

walk.

 To turn, push down slightly on the handles and

pivot the pressure washer on its back wheels.

WARNING: Lifting hazard

The pressures washer is heavy. It can crush and cause

serious injury if it rolls out of control or tips over. Follow

the instructions below for safely moving the pressure

washer.

WARNING: Location hazards

Choose a suitable site for operating your pressure

washer to prevent possible death from carbon

monoxide poisoning or injury from fire/explosion, hot

surfaces or equipment tip-over.

Elevating or lowering your pressure washer

 To reduce risk of injury, it is recommended that

two adults lift the pressure washer.

 Only lift the pressure washer by the bumper and

handle. Do not use the pump or engine as a lifting

point.

Nozzle Holder

with Nozzles

Flange Nuts

Washers

Flange Bolts

Chemical Injector

Chemical Hose

Strainer

Handle

Bumper

Lance

Spin-On Coupler

Outdoor Use Only

Select a suitable outdoor location:

1. Never run the pressure washer in an enclosed

or partially enclosed location such as a building,

garage, barn, shed, or house. These spaces

can trap poisonous gases. Running a fan or

opening windows will not provide adequate

ventilation to prevent dangerous CO build-up.

2. Only use the pressure washer outdoors and at

least 20 feet from the home, away from

windows, vents and air intakes, to allow proper

ventilation. If you start to feel sick, dizzy, or

weak while using the pressure washer, shut off

the engine and get to fresh air RIGHT AWAY.

3. Place the pressure washer so that the exhaust

fumes will not be directed towards people or

building air intakes.

4. Do not locate and use the pressure washer in

the presence of flammable vapors, dust, gases,

or other potentially combustible materials.

5. Ensure that working, battery-operated or battery

back-up carbon monoxide alarms are used in

any dwelling/structure that is in close proximity

to the running pressure washer.

6. Note that this pressure washer is NOT designed

or approved for use in vehicles or marine

applications. Never run the pressure washer

inside RVs or other vehicles, on boats, or on

pick-up truck beds.

WARNING: Location hazards

Choose a suitable site for operating your pressure

washer to prevent possible death from carbon monoxide

poisoning or injury from fire/explosion, hot surfaces or

equipment tip-over.

Positioning:

1. The pressure washer should be positioned on a

firm, level (less than 3 degree slope), heat-

resistant surface with good drainage and a

nearby water supply.

2. The pressure washer should be placed within

garden hose distance of a continuous water

supply. Ensure that the pressure washer sits

level and will not slide or shift during operation.

If applicable, block the pressure washer's

wheels to prevent movement.

3. Situate so there is adequate pulling room for

starting the engine using the recoil starter.

Attempting to pull at an odd angle could rip off

grip cord and/or cause muscular injuries to the

operator.

Airflow:

1. Situate so there is adequate clearance around

pressure washer to allow for airflow – at least 7

feet from any non-combustible wall or

obstruction.

2. Do not operate with a tarp, blanket, or cover

surrounding the machine.

3. Do not place any objects against or on top of

the unit.

4. The pressure washer needs adequate,

unobstructed flow of air to allow for proper

combustion and adequate cooling. Proper

combustion can only be obtained when there is

a sufficient supply of oxygen available for the

amount of fuel being burned. Cooling

ventilation is required to prevent overheating of

the pressure washer and possible fire.

Exhaust:

WARNING: Exhaust Modification hazard

Never attempt to attach ductwork to the muffler system

to allow for installation inside an enclosure. This could

cause heat build-up and increased exhaust back-

pressure, resulting in possible exhaust leakage or

damage to the pressure washer.

1. The exhaust gas from your pressure washer is

extremely hot and can cause combustible

materials to catch on fire.

2. Make sure the engine is at least 7 feet from all

combustible materials and structures during

operation.

3. Keep a fire extinguisher rated "ABC" nearby.

Keep it properly charged and be familiar with its

use.

4. Place the unit so that the exhaust fumes will not

be directed towards people or building air

intakes.

DANGER: Carbon monoxide hazard

Exhaust fumes from the engine contain carbon

monoxide (CO), a poisonous gas you cannot see,

smell, or taste. The CO generated by the engine can

rapidly accumulate, even in areas that appear to be well

ventilated, resulting in dangerous and fatal

concentrations within minutes. NEVER run pressure

washer inside any enclosed or semi-enclosed spaces,

including homes, garages, basements, sheds, boxes,

pick-up truck beds, RVs, or boats. These spaces can

trap poisonous gases, EVEN if you run a fan or open

windows. If you start to feel sick, dizzy, or weak while

using the pressure washer, shut off the engine and get

to fresh air RIGHT AWAY. See a doctor. You may have

carbon monoxide poisoning.

Install Spark Arrestor (if Required)

Equip engine with spark arrestor if machine will be

used near any ignitable forest, brush, or grassy

land. (See engine Owner’s Manual provided to

determine if the engine is already equipped.) Make

sure you comply with applicable local, state, and

federal codes.

Operation

Follow Safety Rules for Operation

After you have checked and fueled the equipment

and positioned it in a suitable worksite, it is time to

start your pressure washer. The following are the

procedures necessary for safe, successful operation

of your pressure washer.

WARNING

Failure to follow safety rules may result in serious injury

or death to the operator or bystanders.

Instruct operators. Owner must instruct all operators in

safe set-up and operation. Do not allow anyone to

operate the pressure washer who has not read the

Owner’s Manual and been instructed on safe use

practices.

Safety equipment/controls. Always operate with all

safety covers, guards, and barriers in place and in good

working order, and all controls properly adjusted for safe

operation.

Moving parts. Keep hands, feet, hair and apparel away

from moving parts. Air vents may cover moving parts

and should be avoided as well. Never remove any

guards while the unit is operating.

Ear Protection. Hearing can be damaged from

prolonged, close-range exposure to the type of noise

produced by this pressure washer. The use of ear plugs

or other hearing protection device is recommended for

persons working within 15-20 feet of the running

pressure washer for an extended period of time.

Eye Protection. Wear ANSI/OSHA required “Z87.1”

safety glasses when operating or servicing the pressure

washer. Pressurized spray from this unit can cause

severe injury to the eyes. Small objects can become

airborne as the spray contacts them.

NOTE!

Before starting the pressure washer, review the

following general safety rules for operation:

Conditions for Use

Know how to stop. Be thoroughly familiar with proper

use of the equipment and all controls and connections.

Know how to stop the pressure washer and

depressurize system quickly if needed.

Instruct all operators. The pressure washer's owner

must instruct all operators and potential renters in safe

set-up and operation. Do not allow anyone to operate

the pressure washer who has not read the Owner's

Manual and been instructed on its safe use.

Adult control only. Only trained adults should set up

and operate the pressure washer. Do not let children

operate. Pressure washers can generate forces greater

than children can control and require judgment beyond

what can be expected of children.

Under the influence. Never operate, or let anyone else

operate, the pressure washer while fatigued or under

the influence of alcohol, drugs, or medication.

Safety equipment / controls in place. Do not operate

the pressure washer unless all safety covers, guards,

and barriers are in place and in good working order, and

all controls are properly adjusted for safe operation.

Damaged. Do not operate the pressure washer with

damaged, missing, or broken parts. Never attempt to

repair a high pressure hose or component. Always

replace it with a part that is rated at or above the

pressure rating of the machine.

Modifications. Do not modify the pressure washer in

any way or deactivate any safety device. Do not change

or add to fuel tank, fuel lines, or exhaust system.

Modifications can result in hazards related to carbon

monoxide poisoning, fuel leaks, fire, explosion or other

serious safety hazards, and will also void the warranty.

During Use

Stay alert. Watch what you are doing at all times.

Clear work area. Clear the work area of all bystanders.

Keep children and pets away.

Keep spray away from electrical wiring. Spray

contact with electrical wiring will likely result in severe

electrical shock or electrocution.

Hot exhaust/parts. Stay clear of engine exhaust.

Never touch hot engine muffler, or other hot surfaces.

All are very hot and will burn you.

Do not direct spray at this machine. Do not attempt to

clean this machine with its own spray. Engine damage

will result. Cleaning should be done with a damp sponge

with the engine OFF.

Let engine cool at least two minutes before

refueling.

Avoid inhalation of exhaust. This product emits CO

and chemicals known to the State of California to cause

cancer, birth defects or other reproductive harm.

Never pull by hose. Do not move this machine by

pulling on the hose. Hose or connections could fail and

result in catastrophic high pressure release of fluid as

well as hose whipping.

Avoid sharp objects. Keep hose away from sharp

objects. Bursting hoses may cause injury.

No load bearing. Do not use the pump to support other

items of equipment that impose unacceptable loads on

the pump. Do not attempt to use this machine as a prop.

Lock trigger safety latch when not spraying. Spray

gun is equipped with a built-in trigger safety latch to

guard against accidental trigger release. Rotate safety

latch to the locked position when not spraying.

Leaving unattended. Always turn off the pressure

washer and relieve system pressure before leaving the

sprayer unattended.

Prompt Emergency Response

Seek medical aid for suspected injection injury. If

injured by high-pressure fluid, no matter how small the

wound is, see a doctor at once. A typical injection injury

may be a small puncture wound that does not look

serious. However, severe infection or reaction can

result if proper medical treatment is not administered

immediately by a doctor who is familiar with injection

injuries.

Seek medical aid for suspected carbon monoxide

poisoning. The running engine gives off carbon

monoxide, a poisonous gas that can kill you. If you start

to feel sick, dizzy, or weak while using the pressure

washer, shut off the engine and get to fresh air RIGHT

AWAY. See a doctor. You may have carbon monoxide

poisoning.

Put on Personal Protective Gear

WARNING: Personal Protective Gear

Use personal protective gear to prevent:

- Eye and skin injection injury from high pressure spray

- Eye injury from flying debris

1. Wear waterproof gloves, safety glasses with side and

top protection, face protection, and protective

clothing when operating the machine. If spraying

pressure washer specific chemicals, wear a

respirator mask to avoid inhalation of vapors if

directed on the chemical label.

2. Wear non-slip, protective footwear. Use of pressure

washer can create puddles and slippery surfaces.

Wear footwear capable of maintaining a good grip on

wet surfaces.

Preparing for Operation

Make sure that any regular maintenance has been

performed as prescribed in “Maintenance & Repair”

section.

Check/Add Oil to Pump

CAUTION

Never run the pump without sufficient lubrication!

1. Check oil level. Verify that oil level is half way up the

sight glass (or at the indicator line on the dip stick).

2. If oil level is low, use the following:

Pump

Model

Oil Type

NorthStar

NSB3540

15782041

Universal Tractor

Transmission Oil

(part # COCP2101) or

Mobil 1 Synthetic Oil 15W50

NorthStar

NSSHFB5030

15782042

Universal Tractor

Transmission Oil

(part # COCP2101) or

Mobil 1 Synthetic Oil 15W50

3. Replace fill cap.

Check/Add Engine Oil

Use the recommended oil type for your engine and

expected ambient conditions. (See engine Owner's

Manual for oil type and capacity, and more detailed oil

check/fill instructions.)

WARNING: Burn Hazard

Never open oil port while engine is running. Hot oil can

spray over face and body.

Notes:

 Low oil shutdown feature prevents the engine from

starting without sufficient oil.

 Engine is shipped without oil. You must add oil

before first use.

Add Fuel

WARNING: Fuel Fire/Explosion Hazard

Gasoline is highly flammable and explosive. Heat,

sparks, and flames can ignite fuel vapors, which can

become widespread during fueling. A flash fire

and/or explosion could result and cause serious

injury or death. Always use extreme care when

handling fuels. Carefully follow all instructions to

avoid the following conditions which could result in

fuel ignition:

 gas vapor collection inside enclosures

 static electric sparks

 sparks from electric wiring, batteries, or running

engines

 sources of heat (such as a hot engine exhaust)

 open flames, including pilot lights

Always follow these general safety rules when

fueling:

1) Turn pressure washer off and allow to cool for at

least two minutes before removing any fuel cap.

Note: A running or still-hot engine is hot enough to

ignite fuel.

2) Fill fuel tank OUTDOORS – never indoors. Fuel

vapors can ignite if they collect inside and enclosure

and explosion can result.

3) Stay away from all sources of heat, sparks, and

flames. Do not smoke.

4) Never pump fuel directly into the gas tank at a gas

station – it could cause a static electric spark.

Follow these steps to avoid static electric sparking

during fueling:

 Use an approved portable container to transfer

fuel to the pressure washer's tank. (A portable

container made of metal or conductive plastic is

preferred because it dissipates charge to ground

more readily.)

 Always place container on the ground to be

filled. Never fill the portable gas container while

it is sitting inside a vehicle, trailer, trunk, or pick-

up truck bed.

 Dissipate static charge from your body before

beginning the fueling process by touching a

grounded metal object at a safe distance from

fuel sources.

 Keep nozzle in contact with container while

filling. Do not use a nozzle lock-open device.

5) Clean up fuel spills/splashes immediately.

 If possible, move the pressure washer away

from spilled fuel on the ground.

 Wipe up spilled fuel and wait 5 minutes for

excess fuel to evaporate before starting engine.

 Fuel soaked rags are flammable and should be

disposed of properly.

 If fuel is spilled on your skin or clothes, change

clothes and wash skin immediately.

Fill Engine Fuel Tank

Check the gasoline tank level. If needed, fill tank

with fresh unleaded gasoline from a portable container:

1) Remove engine gas cap.

2) Add gasoline through the fill opening:

- Use only a UL-listed portable gasoline container to

transfer the gasoline to engine's tank.

- Do NOT overfill the gasoline tank. Allow at least

1/2" of empty space below the fill neck to allow for

fuel expansion.

3) Replace gas cap securely before starting engine.

4) Store extra gasoline in a cool, dry place in a UL

approved tightly sealed container.

Inspect Fuel System/Check for Leaks

Inspect the engine fuel system and check for leaks

before each use.

Do not start pressure washer until all needed repairs

have been completed.

WARNING: Fuel Leak Hazard

Gasoline fuel is highly explosive and fuel leaks

can result in fire or explosions. You can be

burned and seriously injured if the fuel system is

not properly hooked up or there is a fuel leak

when you start the engine.

Inspect the entire fuel system. Look for:

 signs of leaks or deterioration

 chafed or spongy fuel hose

 loose connections

 loose or missing fuel hose clamps

 damaged fuel tank or

 defective gasoline shut-off valve

Inspect Spray System

Always inspect spray system for damage and leaks

before each use. Do not start pressure washer until all

needed repairs have been completed.

WARNING: High Pressure Fluid

Injection Hazard

High-pressure fluid discharge from leaks (even pin-

sized) or ruptured components can pierce skin and

inject fluid into the body. Injection injury can result in

blood poisoning and/or severe tissue damage leading

to infection, gangrene, and possibly amputation.

 Never use a finger or skin to check for leaks.

 Never operate machine with damaged or missing

hoses/parts.

 Never attempt to repair a high-pressure hose or

component – Always replace it with a part that is

rated at or above the pressure rating of this

machine.

Perform Scheduled Maintenance, As needed

Make sure that any other regular maintenance has been

performed as prescribed in this manual in the

"Maintenance Schedule Summary" section.

Refer to the engine owner's manual for engine

maintenance instructions.

Connect Hoses, Water Supply, and Spray

Nozzle

Position pressure washer for use

 For detailed instruction on positioning your pressure

washer for use, turn to the “Initial Set-Up” section of

this manual and reference “Step 3: Select Suitable

Location”.

 Where no flammable vapors, dusts, and gases are

present.

 Where there is adequate, unobstructed ventilation

airflow.

 With adequate clearance from combustible

materials.

 On a firm, level, heat-resistant surface with good

drainage and nearby access to a continuous water

supply.

Attach Garden Hose to Water Inlet

1.) Make sure the water supply is clean. Debris can

cause excess pump wear and reduce performance.

2.) An insufficient water supply will damage your

pump. Make sure the water supply is steady and is

20% over the rated flow of your pump. Use a

stopwatch to time how long it takes to fill a 5-gallon

bucket with your garden hose. The bucket must fill

faster than the times listed in the table below.

Model

Time to fill 5 gallon bucket

1572041

72 seconds

1572042

46 seconds

3.) The water supply garden hose must have an inside

diameter of at least 5/8”. If the hose is more than

100 ft. long, the diameter must be at least 3/4”.

4.) The water source pressure must not exceed 115

psi (8 bar).

5.) Always use a flexible rubber hose for your water

supply. Do not use rigid piping.

Pressure Washing with a Low Flow Water

Supply

If the water supply available does not meet the above

time-to-fill requirements, the nozzles will have to be

downsized to #3.0 nozzles. Failure to downsize the

nozzles will result in cavitation and damage to the pump.

To order NorthStar #3.0 nozzles, part number 38531,

call NorthStar Product Support at 1-800-270-0810.

Attaching Water Feed Tank (if desired)

Water may be supplied to the pressure washer either via

an external tank or via a standard tap water supply.

To avoid cavitation:

 Use ¾” hose and fittings or larger. Hose should

be shorter than 6 feet.

 Place feed tank so that bottom of tank is level or

higher than the bottom of the pump inlet

 Place feed tank as close as possible to the

pressure washer so the connection hose is as

short as possible.

 Make sure the connection hose do not kink.

 Never allow tank to run dry.

To connect an external feed tank, follow the steps

below:

1. Customer will supply the following:

a. 200 gallon tank or larger water feed

tank

b. ¾” connection hose no longer than 6 ft.

c. ¾” fittings. Do not use 90° elbow

fittings.

2. Make sure that the bottom of the water feed

tank is level or higher than the pump inlet.

3. Connect one end of the ¾” hose to the water

tank.

4. Connect the other end of the ¾” hose to the

pump. Make sure the connection hose will not

kink.

5. Fill the tank to desired level.

CAUTION: Inadequate Water Supply

Inadequate plumbing between a feed tank and the pressure

washer can cause damage to the pump from cavitation.

Attach High Pressure Hose to Spray Gun

and Water Outlet

WARNING: High Pressure

NEVER operate this pump with components (such as

hose, connections, and spray gun) rated for lower

pressure and/or temperature limits than the machine's

maximum rated pressure and temperature, or

component could rupture and cause serious personal

injury from escaping high pressure fluids.

1. See "Component Identification" section of this

manual for location of the pressure washer's water

outlet.

2. Your pressure washer hose is equipped with quick

couplers. Simply pull the collar back and push the

coupler onto the water outlet nipple. The collar

should slide over the ball bearings.

3. Release the collar, making sure it springs back and

re-seats to its original (non-retracted) position.

Check the connection by pulling on the hose to

ensure a positive connection.

Nozzle for Spray Gun

Your pressure washer is equipped with four high-

pressure nozzles and one low-pressure nozzle.

Generally, the wider the spray angle of the nozzle, the

lower the spray impact produced. Select the

appropriate nozzle for the job based on the following

table:

Color of Nozzle:

Spray

Angle

Used For:

Red

Highest Impact

Yellow

Tough Stains/Stripping

Green

General

White

Light Cleaning

Black-Low pressure

Chemicals

NOTE: You must use the low pressure black nozzle for

spraying chemicals.

Attach Nozzle to Spray Gun

WARNING: Depressurize First

Any time you remove/install/change a nozzle, you

must depressurize hose line by squeezing the spray

gun trigger while the engine is off. Even if the

engine has been off for a long period of time, the

hose may remain dangerously pressurized.

1. Make sure the engine is off and the hose line

depressurized.

2. To install the nozzle, pull the collar back and twist

the nozzle firmly into the coupler on the end of the

wand

3. Release the collar, making sure it springs back and

re-seats to its original (non-retracted) position.

Check the connection by pulling on the nozzle to

ensure a tight connection -- if correctly inserted,

nozzle will rotate but not pull out.

CAUTION: Adding Chemicals to Feed Tank

Certain chemicals, such as bleach or those

containing muriatic acid, will cause pump damage

if introduced upstream through the pump's water

inlet and will void warranty.

Correct Insertion

Not Fully Inserted

Collar Seated

Collar NOT Seated

Collar

Coupler

High Pressure Output

Nozzle

Trigger

Prime the Water Supply

Turn on water supply and squeeze the

trigger

CAUTION: Water Pressure

Never run the pump without the water supply

connected and turned on. Operating the pressure

washer without a sufficient incoming flow of water

will damage the pump.

 Turn on the water supply. Make sure the water

supply is steady and flowing at a rate 20% over the

rated flow of your pump. (Reference the flow rate

table under the Connect Hoses, Water Supply, and

Nozzle" section).

 Purge air from the water supply hose by squeezing

the trigger until a steady stream of water flows out of

the nozzle at low pressure. (Air in the hoses can

cause damage to the pump, so always make sure all

the air is out of the hoses before starting the

pressure washer engine.)

 Make sure the water supply hose is not kinked. A

kinked hose will provide insufficient water supply to

the pump and reduce its life. Make sure the hose

remains unkinked after moving the pressure washer.

Set Up for Chemical Spray (if desired)

Prepare for Chemical Spray (if planning to

use)

Using the proper cleaning chemical for the application

can speed up cleaning jobs tremendously.

Your pressure washer is equipped with a chemical

injection point on the downstream side of the pump for

introducing cleaning chemicals into the water stream. A

braided chemical hose is provided to connect at this

point. Suction pressure at this connection automatically

draws the chemical solution in through the hose, mixing

in 1 part chemical to 15 parts water. Adequate suction

pressure is created only when the low pressure (black)

spray nozzle is used.

The introduction of cleaning chemicals via the chemical

injection point affords the following advantages:

 It protects the pump from damage because no

chemical passes through the pump.

 It mixes the cleaning chemical into a low pressure

spray. Cleaning chemicals applied under low

pressure adhere better to the surface being

cleaned, allowing the formula time to react and

remove dirt more effectively.

 Note: An external upstream chemical injector is not

recommended for use with this pressure washer,

and if used would obviously alter the 15-to-1 dilution

ratio and may cause pump damage.

CAUTION: Chemicals Containing Muriatic

Acid

Certain chemicals, such as bleach or those containing

muriatic acid, will cause pump damage if introduced

upstream through the pump's water inlet and will void

warranty.

WARNING: Chemical Spraying

 Never spray acids, corrosives, or abrasive or

flammable liquids. Breathing hazards, surface

burns/corrosion, or fire/explosion could result.

 Follow the chemical manufacturer's label instructions

for proper use and handling of the chemical.

Understand all safety hazards and first aid for all

chemicals being used. Always wear protective gloves

when handling and cleaning with chemicals, and wear

other protective gear as directed by chemical

manufacturer. Always dispose of hazardous fluids per

local, state, and national guidelines.

Acquire Cleaning Chemical

Use only approved pressure washer chemicals

designed for high-pressure use. Use soap adjustment

knob to regulate cleaning power (on select units).

CAUTION: Non-approved Chemicals

Non-approved chemicals can damage pressure

washer components (seals, wand, hoses, pump, etc.)

and be harmful to the environment and will void

warranty.

Prepare for Chemical Spray (If Planning to Use)

Prepare the pressure washer for chemical spraying

using the following steps:

1. Prepare (dilute) chemical cleaning solution as

required for the job.

(Note: the chemical solution will be automatically

mixed with the water at a ratio of 15 parts water to

1 part chemical solution.)

2. Press the braided chemical hose over the chemical

injector on the pump.

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North Star 1572042 Owner's manual

Brand: North Star

Model: 1572042

Category: High-pressure cleaners

Type: Owner's manual

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1572041

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North Star 1572042 Owner's manual

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North Star 1572042 Owner's manual

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